IntegrationTest - GithubActions

[paologallinaharbur]

Currently we have github actions in place, however integration tests are NOT included.

In the past we tried to include integration tests in the job, however they were behaving inconsistently:

[DEBUG] integration version: 0.0.0 commit: 8a9a2e535227768fdf5df6c16b28158d3f945484
[DEBUG] exporter msg=Initializing SWbemServices source=exporter.go:248
[INFO] exporter msg=Enabled collectors: service, cs source=exporter.go:326
[INFO] exporter msg=Starting windows_exporter (version=0.12.0-10-geff5f24-dirty, branch=HEAD, revision=eff5f2415398d89173a2203c47366e4882f3bc0e) source=exporter.go:351
[INFO] exporter msg=Build context (go=go1.14.4, user=fv-az44\runneradmin@fv-az44, date=20200603-16:55:13) source=exporter.go:352
[INFO] exporter msg=Starting server on 127.0.0.1:9183 source=exporter.go:355
[DEBUG] exporter msg=Generated WMI query SELECT * FROM Win32_ComputerSystem source=wmi.go:24
[DEBUG] exporter msg=Generated WMI query SELECT * FROM Win32_Service WHERE Name like '%' source=wmi.go:47
[DEBUG] exporter msg=collector cs succeeded after 0.314972s. source=exporter.go:209
DEBUG
len stdout: 0
DEBUG

    TestIntegration: integration_test.go:86: 
            Error Trace:    integration_test.go:86
            Error:          Received unexpected error:
                            error validating, error: EOF
            Test:           TestIntegration
            Messages:       The output of WinServices integration doesn't have expected format

Same job passed in a re-run